diff --git a/core/java/android/provider/CallLog.java b/core/java/android/provider/CallLog.java
index 886edaf9f46b4..6d14dfc7ad4ab 100644
--- a/core/java/android/provider/CallLog.java
+++ b/core/java/android/provider/CallLog.java
@@ -237,6 +237,14 @@ public class CallLog {
          */
         public static final String CACHED_PHOTO_ID = "photo_id";
 
+        /**
+         * The cached formatted phone number.
+         * This value is not guaranteed to be present.
+         * <P>Type: TEXT</P>
+         * @hide
+         */
+        public static final String CACHED_FORMATTED_NUMBER = "formatted_number";
+
         /**
          * Adds a call to the call log.
          *